Sample 453
NavDat sample number 17913 · RHYOLITE
Sample
| Sample ID | 453 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 33.3775 |
|---|---|
| Longitude | -108.46 |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 23 | 31 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76 | WT% | EDXRF | |
| TIO2 | 0.13 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 0.86 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.22 | WT% | EDXRF | |
| NA2O | 3 | WT% | EDXRF | |
| K2O | 4.72 | WT% | EDXRF | |
| TOTAL | 98.98 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 8 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 235 | PPM | EDXRF | |
| SR | 16 | PPM | EDXRF | |
| TH | 31.2 | PPM | EDXRF | |
| U | 5.4 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 42 | PPM | EDXRF | |
| ZN | 45 | PPM | EDXRF | |
| ZR | 160 | PPM | EDXRF |